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120481081157 = 1759891349671
BaseRepresentation
bin111000000110100111…
…0110110011101000101
3102111222112102001210002
41300031032312131011
53433221124044112
6131203115411045
711463430202243
oct1601516663505
9374875361702
10120481081157
114710647a558
121b424a53a85
13b490a77188
145b8d1b5793
1532023331c2
hex1c0d3b6745

120481081157 has 16 divisors (see below), whose sum is σ = 131188118400. Its totient is φ = 110219450880.

The previous prime is 120481081141. The next prime is 120481081211. The reversal of 120481081157 is 751180184021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120481081157 - 24 = 120481081141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120481081157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120481081957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585569 + ... + 764102.

It is an arithmetic number, because the mean of its divisors is an integer number (8199257400).

Almost surely, 2120481081157 is an apocalyptic number.

120481081157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120481081157 is a deficient number, since it is larger than the sum of its proper divisors (10707037243).

120481081157 is a wasteful number, since it uses less digits than its factorization.

120481081157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349836.

The product of its (nonzero) digits is 17920, while the sum is 38.

The spelling of 120481081157 in words is "one hundred twenty billion, four hundred eighty-one million, eighty-one thousand, one hundred fifty-seven".

Divisors: 1 17 59 89 1003 1513 5251 89267 1349671 22944407 79630589 120120719 1353720013 2042052223 7087122421 120481081157